The Ubiquiti Rocket M900 would be a good place to start. Or if you have a couple old Ricochet E-radios and want to do some packet hacking, they'll do 1Mbaud at

The Ubiquiti Rocket M900 would be a good place to start. Or if you have a couple old Ricochet E-radios and want to do some packet hacking, they'll do 1Mbaud at whatever modulation you ask.